Pinhais Cannery & Co.

Conservas Pinhais is a century-old operational sardine cannery located near Porto. Visitors can tour the active production floor, personalize their own tin, and enjoy a tasting of local fish paired with fresh bread and green wine.

Commenters express high interest in visiting, with many expressing regret over missing it during their Porto trips. Past visitors recall it as a fun experience, though some voice mild frustration over recent social media trends around tinned fish.